A grin can be pleasant.Logical formLearned from28 sentences. An interaction can be pleasant.Logical formLearned from28 sentences. An environment can be pleasant.Logical formLearned from28 sentences. Changes can be pleasant.Logical formLearned from28 sentences. A dilemma can be pleasant.Logical formLearned from28 sentences. An album can be pleasant.Logical formLearned from27 sentences. A landscape can be pleasant.Logical formLearned from27 sentences. A voyage can be pleasant.Logical formLearned from27 sentences. Co-workers can be pleasant.Logical formLearned from27 sentences. A smile can be pleasant.Logical formLearned from27 sentences. A process can be pleasant.Logical formLearned from27 sentences. Excitement can be pleasant.Logical formLearned from27 sentences. A silence can be pleasant.Logical formLearned from27 sentences. A set can be pleasant.Logical formLearned from27 sentences. A courtyard can be pleasant.Logical formLearned from27 sentences.